polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Can't concatenate lots of dataframes with option how="align"
- to_pandas() drops categories of length-0 Enum Series
- Support cloud storage for write_parquet with native rust parquet writer
- Add docs for using cancellable queries
- Add BUFR support to Polars
- Defer and access errors in CSV parsing (or pipelines in general)
- please add describe of `where` clause
- Series broadcasting implementation between `with_columns` and `select`
- perf: sorted full join
- Boolean "true" and "false" values for type inference or automatic conversion (a la pyarrow)
- Docs
- Rust not yet supported